From 85d6f77e0343ae00a355a56a3732353afb57ad7b Mon Sep 17 00:00:00 2001
From: Earlopain <14981592+Earlopain@users.noreply.github.com>
Date: Wed, 26 Mar 2025 13:37:48 +0100
Subject: [PATCH] Drop Ruby 3.1

Ruby 3.1.7 was released, which will be the last version.
https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
---
 3.1/alpine3.20/Dockerfile    | 121 -----------------------------------
 3.1/alpine3.21/Dockerfile    | 121 -----------------------------------
 3.1/bookworm/Dockerfile      |  86 -------------------------
 3.1/bullseye/Dockerfile      |  86 -------------------------
 3.1/slim-bookworm/Dockerfile | 112 --------------------------------
 3.1/slim-bullseye/Dockerfile | 112 --------------------------------
 Dockerfile.template          |   8 +--
 versions.json                |  38 -----------
 versions.sh                  |  27 ++++----
 9 files changed, 15 insertions(+), 696 deletions(-)
 delete mode 100644 3.1/alpine3.20/Dockerfile
 delete mode 100644 3.1/alpine3.21/Dockerfile
 delete mode 100644 3.1/bookworm/Dockerfile
 delete mode 100644 3.1/bullseye/Dockerfile
 delete mode 100644 3.1/slim-bookworm/Dockerfile
 delete mode 100644 3.1/slim-bullseye/Dockerfile

diff --git a/3.1/alpine3.20/Dockerfile b/3.1/alpine3.20/Dockerfile
deleted file mode 100644
index 8f23fa1ee..000000000
--- a/3.1/alpine3.20/Dockerfile
+++ /dev/null
@@ -1,121 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM alpine:3.20
-
-# skip installing gem documentation with `gem install`/`gem update`
-RUN set -eux; \
-	mkdir -p /usr/local/etc; \
-	echo 'gem: --no-document' >> /usr/local/etc/gemrc
-
-ENV LANG C.UTF-8
-
-# https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
-ENV RUBY_VERSION 3.1.7
-ENV RUBY_DOWNLOAD_URL https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz
-ENV RUBY_DOWNLOAD_SHA256 658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035
-
-# some of ruby's build scripts are written in ruby
-#   we purge system ruby later to make sure our final image uses what we just built
-RUN set -eux; \
-	\
-	apk add --no-cache --virtual .ruby-builddeps \
-		autoconf \
-		bison \
-		bzip2 \
-		bzip2-dev \
-		ca-certificates \
-		coreutils \
-		dpkg-dev dpkg \
-		g++ \
-		gcc \
-		gdbm-dev \
-		glib-dev \
-		gmp-dev \
-		libc-dev \
-		libffi-dev \
-		libxml2-dev \
-		libxslt-dev \
-		linux-headers \
-		make \
-		ncurses-dev \
-		openssl \
-		openssl-dev \
-		patch \
-		procps \
-		yaml-dev \
-		zlib-dev \
-		readline-dev \
-		ruby \
-		tar \
-		xz \
-		yaml-dev \
-		zlib-dev \
-	; \
-	\
-	wget -O ruby.tar.xz "$RUBY_DOWNLOAD_URL"; \
-	echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum --check --strict; \
-	\
-	mkdir -p /usr/src/ruby; \
-	tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1; \
-	rm ruby.tar.xz; \
-	\
-	cd /usr/src/ruby; \
-	\
-# https://github.com/docker-library/ruby/issues/196
-# https://bugs.ruby-lang.org/issues/14387#note-13 (patch source)
-# https://bugs.ruby-lang.org/issues/14387#note-16 ("Therefore ncopa's patch looks good for me in general." -- only breaks glibc which doesn't matter here)
-	wget -O 'thread-stack-fix.patch' 'https://bugs.ruby-lang.org/attachments/download/7081/0001-thread_pthread.c-make-get_main_stack-portable-on-lin.patch'; \
-	echo '3ab628a51d92fdf0d2b5835e93564857aea73e0c1de00313864a94a6255cb645 *thread-stack-fix.patch' | sha256sum --check --strict; \
-	patch -p1 -i thread-stack-fix.patch; \
-	rm thread-stack-fix.patch; \
-	\
-	autoconf; \
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	./configure \
-		--build="$gnuArch" \
-		--disable-install-doc \
-		--enable-shared \
-	; \
-	make -j "$(nproc)"; \
-	make install; \
-	\
-	runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
-			| tr ',' '\n' \
-			| sort -u \
-			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
-	)"; \
-	apk add --no-network --virtual .ruby-rundeps $runDeps; \
-	apk del --no-network .ruby-builddeps; \
-	\
-	cd /; \
-	rm -r /usr/src/ruby; \
-# verify we have no "ruby" packages installed
-	if \
-		apk --no-network list --installed \
-			| grep -v '^[.]ruby-' \
-			| grep -i ruby \
-	; then \
-		exit 1; \
-	fi; \
-	[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]; \
-# rough smoke test
-	ruby --version; \
-	gem --version; \
-	bundle --version
-
-# don't create ".bundle" in all our apps
-ENV GEM_HOME /usr/local/bundle
-ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
-ENV PATH $GEM_HOME/bin:$PATH
-RUN set -eux; \
-	mkdir "$GEM_HOME"; \
-# adjust permissions of GEM_HOME for running "gem install" as an arbitrary user
-	chmod 1777 "$GEM_HOME"
-
-CMD [ "irb" ]
diff --git a/3.1/alpine3.21/Dockerfile b/3.1/alpine3.21/Dockerfile
deleted file mode 100644
index 9d1f1f005..000000000
--- a/3.1/alpine3.21/Dockerfile
+++ /dev/null
@@ -1,121 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM alpine:3.21
-
-# skip installing gem documentation with `gem install`/`gem update`
-RUN set -eux; \
-	mkdir -p /usr/local/etc; \
-	echo 'gem: --no-document' >> /usr/local/etc/gemrc
-
-ENV LANG C.UTF-8
-
-# https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
-ENV RUBY_VERSION 3.1.7
-ENV RUBY_DOWNLOAD_URL https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz
-ENV RUBY_DOWNLOAD_SHA256 658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035
-
-# some of ruby's build scripts are written in ruby
-#   we purge system ruby later to make sure our final image uses what we just built
-RUN set -eux; \
-	\
-	apk add --no-cache --virtual .ruby-builddeps \
-		autoconf \
-		bison \
-		bzip2 \
-		bzip2-dev \
-		ca-certificates \
-		coreutils \
-		dpkg-dev dpkg \
-		g++ \
-		gcc \
-		gdbm-dev \
-		glib-dev \
-		gmp-dev \
-		libc-dev \
-		libffi-dev \
-		libxml2-dev \
-		libxslt-dev \
-		linux-headers \
-		make \
-		ncurses-dev \
-		openssl \
-		openssl-dev \
-		patch \
-		procps \
-		yaml-dev \
-		zlib-dev \
-		readline-dev \
-		ruby \
-		tar \
-		xz \
-		yaml-dev \
-		zlib-dev \
-	; \
-	\
-	wget -O ruby.tar.xz "$RUBY_DOWNLOAD_URL"; \
-	echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum --check --strict; \
-	\
-	mkdir -p /usr/src/ruby; \
-	tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1; \
-	rm ruby.tar.xz; \
-	\
-	cd /usr/src/ruby; \
-	\
-# https://github.com/docker-library/ruby/issues/196
-# https://bugs.ruby-lang.org/issues/14387#note-13 (patch source)
-# https://bugs.ruby-lang.org/issues/14387#note-16 ("Therefore ncopa's patch looks good for me in general." -- only breaks glibc which doesn't matter here)
-	wget -O 'thread-stack-fix.patch' 'https://bugs.ruby-lang.org/attachments/download/7081/0001-thread_pthread.c-make-get_main_stack-portable-on-lin.patch'; \
-	echo '3ab628a51d92fdf0d2b5835e93564857aea73e0c1de00313864a94a6255cb645 *thread-stack-fix.patch' | sha256sum --check --strict; \
-	patch -p1 -i thread-stack-fix.patch; \
-	rm thread-stack-fix.patch; \
-	\
-	autoconf; \
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	./configure \
-		--build="$gnuArch" \
-		--disable-install-doc \
-		--enable-shared \
-	; \
-	make -j "$(nproc)"; \
-	make install; \
-	\
-	runDeps="$( \
-		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
-			| tr ',' '\n' \
-			| sort -u \
-			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
-	)"; \
-	apk add --no-network --virtual .ruby-rundeps $runDeps; \
-	apk del --no-network .ruby-builddeps; \
-	\
-	cd /; \
-	rm -r /usr/src/ruby; \
-# verify we have no "ruby" packages installed
-	if \
-		apk --no-network list --installed \
-			| grep -v '^[.]ruby-' \
-			| grep -i ruby \
-	; then \
-		exit 1; \
-	fi; \
-	[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]; \
-# rough smoke test
-	ruby --version; \
-	gem --version; \
-	bundle --version
-
-# don't create ".bundle" in all our apps
-ENV GEM_HOME /usr/local/bundle
-ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
-ENV PATH $GEM_HOME/bin:$PATH
-RUN set -eux; \
-	mkdir "$GEM_HOME"; \
-# adjust permissions of GEM_HOME for running "gem install" as an arbitrary user
-	chmod 1777 "$GEM_HOME"
-
-CMD [ "irb" ]
diff --git a/3.1/bookworm/Dockerfile b/3.1/bookworm/Dockerfile
deleted file mode 100644
index 335e515fa..000000000
--- a/3.1/bookworm/Dockerfile
+++ /dev/null
@@ -1,86 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM buildpack-deps:bookworm
-
-# skip installing gem documentation with `gem install`/`gem update`
-RUN set -eux; \
-	mkdir -p /usr/local/etc; \
-	echo 'gem: --no-document' >> /usr/local/etc/gemrc
-
-ENV LANG C.UTF-8
-
-# https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
-ENV RUBY_VERSION 3.1.7
-ENV RUBY_DOWNLOAD_URL https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz
-ENV RUBY_DOWNLOAD_SHA256 658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035
-
-# some of ruby's build scripts are written in ruby
-#   we purge system ruby later to make sure our final image uses what we just built
-RUN set -eux; \
-	\
-	savedAptMark="$(apt-mark showmanual)"; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		bison \
-		dpkg-dev \
-		libgdbm-dev \
-		ruby \
-	; \
-	\
-	wget -O ruby.tar.xz "$RUBY_DOWNLOAD_URL"; \
-	echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum --check --strict; \
-	\
-	mkdir -p /usr/src/ruby; \
-	tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1; \
-	rm ruby.tar.xz; \
-	\
-	cd /usr/src/ruby; \
-	\
-	autoconf; \
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	./configure \
-		--build="$gnuArch" \
-		--disable-install-doc \
-		--enable-shared \
-	; \
-	make -j "$(nproc)"; \
-	make install; \
-	\
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark > /dev/null; \
-	find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -r apt-mark manual \
-	; \
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*; \
-	\
-	cd /; \
-	rm -r /usr/src/ruby; \
-# verify we have no "ruby" packages installed
-	if dpkg -l | grep -i ruby; then exit 1; fi; \
-	[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]; \
-# rough smoke test
-	ruby --version; \
-	gem --version; \
-	bundle --version
-
-# don't create ".bundle" in all our apps
-ENV GEM_HOME /usr/local/bundle
-ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
-ENV PATH $GEM_HOME/bin:$PATH
-RUN set -eux; \
-	mkdir "$GEM_HOME"; \
-# adjust permissions of GEM_HOME for running "gem install" as an arbitrary user
-	chmod 1777 "$GEM_HOME"
-
-CMD [ "irb" ]
diff --git a/3.1/bullseye/Dockerfile b/3.1/bullseye/Dockerfile
deleted file mode 100644
index 531bd7c46..000000000
--- a/3.1/bullseye/Dockerfile
+++ /dev/null
@@ -1,86 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM buildpack-deps:bullseye
-
-# skip installing gem documentation with `gem install`/`gem update`
-RUN set -eux; \
-	mkdir -p /usr/local/etc; \
-	echo 'gem: --no-document' >> /usr/local/etc/gemrc
-
-ENV LANG C.UTF-8
-
-# https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
-ENV RUBY_VERSION 3.1.7
-ENV RUBY_DOWNLOAD_URL https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz
-ENV RUBY_DOWNLOAD_SHA256 658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035
-
-# some of ruby's build scripts are written in ruby
-#   we purge system ruby later to make sure our final image uses what we just built
-RUN set -eux; \
-	\
-	savedAptMark="$(apt-mark showmanual)"; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		bison \
-		dpkg-dev \
-		libgdbm-dev \
-		ruby \
-	; \
-	\
-	wget -O ruby.tar.xz "$RUBY_DOWNLOAD_URL"; \
-	echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum --check --strict; \
-	\
-	mkdir -p /usr/src/ruby; \
-	tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1; \
-	rm ruby.tar.xz; \
-	\
-	cd /usr/src/ruby; \
-	\
-	autoconf; \
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	./configure \
-		--build="$gnuArch" \
-		--disable-install-doc \
-		--enable-shared \
-	; \
-	make -j "$(nproc)"; \
-	make install; \
-	\
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark > /dev/null; \
-	find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -r apt-mark manual \
-	; \
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*; \
-	\
-	cd /; \
-	rm -r /usr/src/ruby; \
-# verify we have no "ruby" packages installed
-	if dpkg -l | grep -i ruby; then exit 1; fi; \
-	[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]; \
-# rough smoke test
-	ruby --version; \
-	gem --version; \
-	bundle --version
-
-# don't create ".bundle" in all our apps
-ENV GEM_HOME /usr/local/bundle
-ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
-ENV PATH $GEM_HOME/bin:$PATH
-RUN set -eux; \
-	mkdir "$GEM_HOME"; \
-# adjust permissions of GEM_HOME for running "gem install" as an arbitrary user
-	chmod 1777 "$GEM_HOME"
-
-CMD [ "irb" ]
diff --git a/3.1/slim-bookworm/Dockerfile b/3.1/slim-bookworm/Dockerfile
deleted file mode 100644
index 9d30273f7..000000000
--- a/3.1/slim-bookworm/Dockerfile
+++ /dev/null
@@ -1,112 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM debian:bookworm-slim
-
-RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		ca-certificates \
-	; \
-	rm -rf /var/lib/apt/lists/*
-
-# skip installing gem documentation with `gem install`/`gem update`
-RUN set -eux; \
-	mkdir -p /usr/local/etc; \
-	echo 'gem: --no-document' >> /usr/local/etc/gemrc
-
-ENV LANG C.UTF-8
-
-# https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
-ENV RUBY_VERSION 3.1.7
-ENV RUBY_DOWNLOAD_URL https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz
-ENV RUBY_DOWNLOAD_SHA256 658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035
-
-# some of ruby's build scripts are written in ruby
-#   we purge system ruby later to make sure our final image uses what we just built
-RUN set -eux; \
-	\
-	savedAptMark="$(apt-mark showmanual)"; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		bison \
-		dpkg-dev \
-		libgdbm-dev \
-		ruby \
-		autoconf \
-		bzip2 \
-		g++ \
-		gcc \
-		libbz2-dev \
-		libffi-dev \
-		libgdbm-compat-dev \
-		libglib2.0-dev \
-		libgmp-dev \
-		libncurses-dev \
-		libreadline-dev \
-		libssl-dev \
-		libxml2-dev \
-		libxslt-dev \
-		libyaml-dev \
-		make \
-		wget \
-		xz-utils \
-		zlib1g-dev \
-	; \
-	\
-	wget -O ruby.tar.xz "$RUBY_DOWNLOAD_URL"; \
-	echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum --check --strict; \
-	\
-	mkdir -p /usr/src/ruby; \
-	tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1; \
-	rm ruby.tar.xz; \
-	\
-	cd /usr/src/ruby; \
-	\
-	autoconf; \
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	./configure \
-		--build="$gnuArch" \
-		--disable-install-doc \
-		--enable-shared \
-	; \
-	make -j "$(nproc)"; \
-	make install; \
-	\
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark > /dev/null; \
-	find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -r apt-mark manual \
-	; \
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*; \
-	\
-	cd /; \
-	rm -r /usr/src/ruby; \
-# verify we have no "ruby" packages installed
-	if dpkg -l | grep -i ruby; then exit 1; fi; \
-	[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]; \
-# rough smoke test
-	ruby --version; \
-	gem --version; \
-	bundle --version
-
-# don't create ".bundle" in all our apps
-ENV GEM_HOME /usr/local/bundle
-ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
-ENV PATH $GEM_HOME/bin:$PATH
-RUN set -eux; \
-	mkdir "$GEM_HOME"; \
-# adjust permissions of GEM_HOME for running "gem install" as an arbitrary user
-	chmod 1777 "$GEM_HOME"
-
-CMD [ "irb" ]
diff --git a/3.1/slim-bullseye/Dockerfile b/3.1/slim-bullseye/Dockerfile
deleted file mode 100644
index e0bda294a..000000000
--- a/3.1/slim-bullseye/Dockerfile
+++ /dev/null
@@ -1,112 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM debian:bullseye-slim
-
-RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		ca-certificates \
-	; \
-	rm -rf /var/lib/apt/lists/*
-
-# skip installing gem documentation with `gem install`/`gem update`
-RUN set -eux; \
-	mkdir -p /usr/local/etc; \
-	echo 'gem: --no-document' >> /usr/local/etc/gemrc
-
-ENV LANG C.UTF-8
-
-# https://www.ruby-lang.org/en/news/2025/03/26/ruby-3-1-7-released/
-ENV RUBY_VERSION 3.1.7
-ENV RUBY_DOWNLOAD_URL https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz
-ENV RUBY_DOWNLOAD_SHA256 658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035
-
-# some of ruby's build scripts are written in ruby
-#   we purge system ruby later to make sure our final image uses what we just built
-RUN set -eux; \
-	\
-	savedAptMark="$(apt-mark showmanual)"; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		bison \
-		dpkg-dev \
-		libgdbm-dev \
-		ruby \
-		autoconf \
-		bzip2 \
-		g++ \
-		gcc \
-		libbz2-dev \
-		libffi-dev \
-		libgdbm-compat-dev \
-		libglib2.0-dev \
-		libgmp-dev \
-		libncurses-dev \
-		libreadline-dev \
-		libssl-dev \
-		libxml2-dev \
-		libxslt-dev \
-		libyaml-dev \
-		make \
-		wget \
-		xz-utils \
-		zlib1g-dev \
-	; \
-	\
-	wget -O ruby.tar.xz "$RUBY_DOWNLOAD_URL"; \
-	echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum --check --strict; \
-	\
-	mkdir -p /usr/src/ruby; \
-	tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1; \
-	rm ruby.tar.xz; \
-	\
-	cd /usr/src/ruby; \
-	\
-	autoconf; \
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	./configure \
-		--build="$gnuArch" \
-		--disable-install-doc \
-		--enable-shared \
-	; \
-	make -j "$(nproc)"; \
-	make install; \
-	\
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark > /dev/null; \
-	find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -r apt-mark manual \
-	; \
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*; \
-	\
-	cd /; \
-	rm -r /usr/src/ruby; \
-# verify we have no "ruby" packages installed
-	if dpkg -l | grep -i ruby; then exit 1; fi; \
-	[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]; \
-# rough smoke test
-	ruby --version; \
-	gem --version; \
-	bundle --version
-
-# don't create ".bundle" in all our apps
-ENV GEM_HOME /usr/local/bundle
-ENV BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
-ENV PATH $GEM_HOME/bin:$PATH
-RUN set -eux; \
-	mkdir "$GEM_HOME"; \
-# adjust permissions of GEM_HOME for running "gem install" as an arbitrary user
-	chmod 1777 "$GEM_HOME"
-
-CMD [ "irb" ]
diff --git a/Dockerfile.template b/Dockerfile.template
index a8ea7ef7f..a51d1d454 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -41,7 +41,7 @@ RUN set -eux; \
 {{ if is_alpine then ( -}}
 	apk add --no-cache --virtual .ruby-builddeps \
 		autoconf \
-{{ if env.version | rtrimstr("-rc") | IN("3.1", "3.2") then ( -}}
+{{ if env.version | rtrimstr("-rc") | IN("3.2") then ( -}}
 {{ # https://github.com/docker-library/ruby/pull/438 -}}
 		bison \
 {{ ) else "" end -}}
@@ -68,7 +68,7 @@ RUN set -eux; \
 		procps \
 		yaml-dev \
 		zlib-dev \
-{{ if env.version | rtrimstr("-rc") | IN("3.1", "3.2") then ( -}}
+{{ if env.version | rtrimstr("-rc") | IN("3.2") then ( -}}
 		readline-dev \
 {{ ) else "" end -}}
 		ruby \
@@ -81,7 +81,7 @@ RUN set -eux; \
 	savedAptMark="$(apt-mark showmanual)"; \
 	apt-get update; \
 	apt-get install -y --no-install-recommends \
-{{ if env.version | rtrimstr("-rc") | IN("3.1", "3.2") then ( -}}
+{{ if env.version | rtrimstr("-rc") | IN("3.2") then ( -}}
 {{ # https://github.com/docker-library/ruby/pull/438 -}}
 		bison \
 {{ ) else "" end -}}
@@ -99,7 +99,7 @@ RUN set -eux; \
 		libglib2.0-dev \
 		libgmp-dev \
 		libncurses-dev \
-{{ if env.version | rtrimstr("-rc") | IN("3.1", "3.2") then ( -}}
+{{ if env.version | rtrimstr("-rc") | IN("3.2") then ( -}}
 		libreadline-dev \
 {{ ) else "" end -}}
 		libssl-dev \
diff --git a/versions.json b/versions.json
index fab612c6a..762f9f0b9 100644
--- a/versions.json
+++ b/versions.json
@@ -1,42 +1,4 @@
 {
-  "3.1": {
-    "version": "3.1.7",
-    "date": "2025-03-26",
-    "post": "/en/news/2025/03/26/ruby-3-1-7-released/",
-    "url": {
-      "gz": "https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.gz",
-      "xz": "https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.tar.xz",
-      "zip": "https://cache.ruby-lang.org/pub/ruby/3.1/ruby-3.1.7.zip"
-    },
-    "size": {
-      "gz": 20811481,
-      "xz": 15196628,
-      "zip": 25555673
-    },
-    "sha1": {
-      "gz": "c2023f05989241d1f21409b980ffbda83b1cbe7b",
-      "xz": "1437e9ec92f2c166f5b04dbb0c21ac299aca0542",
-      "zip": "c2eeaba7ebdabc84ca7b77a14a1f83b16397c87e"
-    },
-    "sha256": {
-      "gz": "0556acd69f141ddace03fa5dd8d76e7ea0d8f5232edf012429579bcdaab30e7b",
-      "xz": "658acc455b6bda87ac6cc1380e86552b9c1af87055e7a127589c5bf7ed80b035",
-      "zip": "ab91106d0686cd30c375c309c58a5b96e68ac56e96c453c1d4f3fbb6c548dec7"
-    },
-    "sha512": {
-      "gz": "a8432aaeaee4f48027ab30b7870bc61350840761b9d72b0b399d8fdfa96acb3c8f1ebe63663bcd8d835dd89b21128a07ef8f0c0c47eb41b942c169954ccb7edd",
-      "xz": "44e013f6e8d159a49125d24eaf02f58e02997fcd7bd4f4370250248c2d3264fb45183e33797638a7d9a2907fb48fe1b46f5f45514d60a800f96bce2c10baca82",
-      "zip": "febc49a0350558a8f3ad0d683c94321fc3437201c1adafdaa4e1a454234eef857d324e6ee1f95f5998d96fafce7f3a6c39483b3251a4a9ed4f64d80a1f73964e"
-    },
-    "variants": [
-      "bookworm",
-      "slim-bookworm",
-      "bullseye",
-      "slim-bullseye",
-      "alpine3.21",
-      "alpine3.20"
-    ]
-  },
   "3.2": {
     "version": "3.2.8",
     "date": "2025-03-26",
diff --git a/versions.sh b/versions.sh
index 64bf090eb..689ee3b4d 100755
--- a/versions.sh
+++ b/versions.sh
@@ -95,22 +95,17 @@ for version in "${versions[@]}"; do
 		]
 	')"
 
-	case "$rcVersion" in
-		3.1) ;;
-		*)
-			# YJIT
-			doc="$(jq <<<"$doc" -sc '
-				.[1][].arches? |= if . then with_entries(select(.key | IN(
-					# https://github.com/ruby/ruby/blob/v3_2_0/doc/yjit/yjit.md ("currently supported for macOS and Linux on x86-64 and arm64/aarch64 CPUs")
-					# https://github.com/ruby/ruby/blob/v3_2_0/configure.ac#L3757-L3761
-					"amd64",
-					"arm64v8",
-					empty # trailing comma
-				))) else empty end
-				| add
-			' - rust.json)"
-			;;
-	esac
+	# YJIT
+	doc="$(jq <<<"$doc" -sc '
+		.[1][].arches? |= if . then with_entries(select(.key | IN(
+			# https://github.com/ruby/ruby/blob/v3_2_0/doc/yjit/yjit.md ("currently supported for macOS and Linux on x86-64 and arm64/aarch64 CPUs")
+			# https://github.com/ruby/ruby/blob/v3_2_0/configure.ac#L3757-L3761
+			"amd64",
+			"arm64v8",
+			empty # trailing comma
+		))) else empty end
+		| add
+	' - rust.json)"
 
 	json="$(jq <<<"$json" -c --argjson doc "$doc" '.[env.version] = $doc')"